"إن العبد إذا نصح لسيده، وأحسن عبادة الله، فله أجره مرتين"
Ibn 'Umar (May Allah be pleased with them) reported: I heard the Messenger of Allah (ﷺ) saying, "When a slave is sincere to his master and worships Allah well, He will have a double reward." [Al-Bukhari and Muslim] .